基于熵权-属性数学的通航环境安全风险网格可视化
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摘要
为定量评价海上通航环境安全风险并确定不同海域的主要高风险区域,将网格可视化和熵权-属性数学方法应用到北海海域通航环境安全风险的评价研究中。以海域特征和风险因素的相似性作为划分标准,将北海海域划分为离岸和近岸2种共计158个网格单元。运用属性数学方法对网格单元海域风险进行定量评估,并利用熵值法对无量纲化后的指标权重进行修正,以提高属性数学模型的准确性。最终确定14个风险等级最高的网格海域,其结果与北海海域的实际风险状况基本相符。
In order to evaluate navigation risks in the environment of Beihai area and identify the main highly-risky areas,the area is divided into 158 grid units based on the standard of similarity of region characteristics and associated risk factors. The method of attribute mathematics is used in evaluating the maritime risks,and the entropy value is used to correct the index weighing in order to improve the accuracy of the attribute mathematical model. Fourteen grid units are finally determined as highly-risky,which fits the actual situation of the Beihai area well.
In order to evaluate navigation risks in the environment of Beihai area and identify the main highly-risky areas,the area is divided into 158 grid units based on the standard of similarity of region characteristics and associated risk factors. The method of attribute mathematics is used in evaluating the maritime risks,and the entropy value is used to correct the index weighing in order to improve the accuracy of the attribute mathematical model. Fourteen grid units are finally determined as highly-risky,which fits the actual situation of the Beihai area well.
引文
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[2]XUAN T N,PARY Y,PARK J.A Quantitative Marine Traffic Safety Assessment of the Vung Tau Waterway[J].Journal of Korean Navigation and Port Reserch,2012,36:721-728.
[3]THIEME C A,UTNE I B.Safety Performance Monitoring of Autonomous Marine Systems[J].Reliability Engineering&System Safety,2017,159:264-275.
[4]芮浩强,颜忠甲.基于FSA(综合安全评估)桥区水域通航环境安全评价模型构建[J].福建交通科技,2015(3):101-104.
[5]王君杰.汕头海湾大桥船撞安全评估与对策研究[R].上海:同济大学,2008.
[6]胡甚平.海上交通风险评估技术与方法[M].北京:人民交通出版社,2014:87-99.
[7]黄常海,肖英杰,高德毅,等.定线制水域航行危险度评价模型及其应用[J].中国安全科学学报,2014,24(2):93-99.
[8]段爱媛.在港口水域船舶交通安全管理中综合安全评估(FSA)的应用研究[D].武汉:华中科技大学,2006:26-30.
[9]INSTITUTION B S.Safety Aspect-Guidelines for Their Inclusion in Standards:ISO/IEC Guide 51[S].2002.